Youprobablyknowyoushouldsay“please”and“thankyou”atres...
問題詳情: Youprobablyknowyoushouldsay“please”and“thankyou”atrestaurants.Youprobablyknowtherulesofalibrary.Youknowyoushouldrespectandbenicetoyourclassmates.Butdoyouhavemusicmanners? KeepItDown...